1
00:00:06,300 --> 00:00:08,033
- WHEW, IT'S GOOD TO BE HOME.

2
00:00:08,033 --> 00:00:10,467
I JUST CAME BACK FROM A TRIP
CLEAR ACROSS THE COUNTRY.

3
00:00:10,467 --> 00:00:12,633
WE HAD TO TRAVEL THROUGH
THREE DIFFERENT TIME ZONES,

4
00:00:12,633 --> 00:00:13,867
SO WHEN OUR PLANE LANDED,

5
00:00:13,867 --> 00:00:16,200
I HAD TO KEEP CHANGING
THE TIME ON MY WATCH.

6
00:00:16,200 --> 00:00:18,700
AT THE AIRPORT IN HOUSTON,
I SAW SOME INFORMATION

7
00:00:18,700 --> 00:00:20,500
ABOUT THE INTERNATIONAL
SPACE STATION.

8
00:00:20,500 --> 00:00:23,100
I WONDER HOW THE ASTRONAUTS
ON THE ISS SET THEIR CLOCKS

9
00:00:23,100 --> 00:00:25,567
WHEN THEY'RE TRAVELING THROUGH
SO MANY DIFFERENT TIME ZONES.

10
00:00:25,567 --> 00:00:27,400
FIND OUT NEXT ON "REAL WORLD."

11
00:00:35,233 --> 00:00:37,100
I AM NOT A MORNING PERSON.

12
00:00:37,100 --> 00:00:38,400
I GUESS I SHOULD BE HAPPY

13
00:00:38,400 --> 00:00:40,433
I ONLY HAVE TO WAKE UP
TO THE SUN SHINING IN MY BEDROOM

14
00:00:40,433 --> 00:00:41,800
ONLY ONCE A DAY.

15
00:00:41,800 --> 00:00:43,433
BUT THE INTERNATIONAL
SPACE STATION

16
00:00:43,433 --> 00:00:46,233
ORBITS EARTH ROUGHLY ONCE
EVERY 90 MINUTES.

17
00:00:46,233 --> 00:00:48,233
THAT MEANS THE ASTRONAUTS
ON BOARD THE ISS

18
00:00:48,233 --> 00:00:52,633
END UP SEEING 16 SUNRISES
AND 16 SUNSETS EVERY DAY.

19
00:00:52,633 --> 00:00:55,100
IF THE ISS IS MOVING
THROUGH THE DAY SO FAST,

20
00:00:55,100 --> 00:00:56,734
THE PEOPLE ON BOARD
MUST BE GOING

21
00:00:56,734 --> 00:00:58,500
THROUGH A LOT
OF DIFFERENT TIME ZONES.

22
00:00:58,500 --> 00:01:00,533
AND BECAUSE OF THAT,
IT WOULD BE VERY EASY

23
00:01:00,533 --> 00:01:02,133
FOR THE CREW MEMBERS
ON THE ISS

24
00:01:02,133 --> 00:01:03,700
TO GET CONFUSED
ABOUT WHAT TIME IT IS.

25
00:01:03,700 --> 00:01:06,700
- IT'S 8:30 P.M.

26
00:01:06,700 --> 00:01:08,533
- IT'S ABOUT 11:30.
- IT'S ABOUT 6:30.

27
00:01:08,533 --> 00:01:09,734
- 8:30.

28
00:01:09,734 --> 00:01:11,333
- IT IS 10:30 IN THE MORNING.

29
00:01:11,333 --> 00:01:12,533
- DON'T WORRY.

30
00:01:12,533 --> 00:01:14,233
THE ASTRONAUTS
AREN'T ACTUALLY CONFUSED.

31
00:01:14,233 --> 00:01:16,266
THEY'RE JUST GIVING THE TIMES
FOR THEIR HOMETOWNS.

32
00:01:16,266 --> 00:01:19,066
I'LL LET EUROPEAN SPACE AGENCY
ASTRONAUT FRANK DEWINNE

33
00:01:19,066 --> 00:01:20,633
TALK A LITTLE BIT MORE
ABOUT TIME

34
00:01:20,633 --> 00:01:23,066
AND HOW IT WORKS ON
THE INTERNATIONAL SPACE STATION.

35
00:01:23,066 --> 00:01:25,934
- SO YOU HAVE SEEN
THAT MY CREWMATES

36
00:01:25,934 --> 00:01:29,266
HAVE VERY DIFFERENT TIMINGS
IN THEIR HOMETOWNS.

37
00:01:29,266 --> 00:01:31,133
WELL, IN FACT,
THERE ARE 15 COUNTRIES

38
00:01:31,133 --> 00:01:33,667
INVOLVED IN
THE INTERNATIONAL SPACE STATION,

39
00:01:33,667 --> 00:01:37,300
AND THESE COUNTRIES SPAN
FOR MORE THAN 15 TIME ZONES.

40
00:01:37,300 --> 00:01:39,500
AT ANY GIVEN MOMENT,
THE TIME DIFFERENCE

41
00:01:39,500 --> 00:01:43,200
BETWEEN TWO MEMBER COUNTRIES
COULD BE AS MUCH AS 18 HOURS.

42
00:01:43,200 --> 00:01:45,266
IMAGINE IF SOMEONE TOLD YOU

43
00:01:45,266 --> 00:01:47,533
THAT THEY WILL PICK YOU UP
AT 4:30

44
00:01:47,533 --> 00:01:48,967
BUT NEGLECT TO TELL YOU

45
00:01:48,967 --> 00:01:52,433
THAT IT WILL BE AT 4:30
ALASKA STANDARD TIME.

46
00:01:52,433 --> 00:01:54,967
THAT COULD MAKE A BIG DIFFERENCE
TO YOUR PLANS OF THE DAY.

47
00:01:54,967 --> 00:01:57,000
IMAGINE HOW IMPORTANT
IT MUST BE

48
00:01:57,000 --> 00:01:58,967
FOR THE INTERNATIONAL
SPACE STATION

49
00:01:58,967 --> 00:02:01,500
THAT ALL PARTICIPATING
COUNTRIES AGREE

50
00:02:01,500 --> 00:02:03,300
ON WHAT TIME
WE HAVE A MEETING,

51
00:02:03,300 --> 00:02:08,000
CONDUCT AN EXPERIMENT,
OR RETURN HOME FROM SPACE.

52
00:02:08,000 --> 00:02:10,066
IT DOESN'T REALLY MATTER
WHICH TIME ZONE WE USE

53
00:02:10,066 --> 00:02:12,533
WHEN COORDINATING OUR PLANS
ACROSS THE GLOBE.

54
00:02:12,533 --> 00:02:14,467
BUT FOR HISTORICAL REASONS,

55
00:02:14,467 --> 00:02:16,300
ALL OF THE INTERNATIONAL
PARTNERS

56
00:02:16,300 --> 00:02:20,367
USE GREENWICH MEAN TIME,
ABBREVIATED GMT.

57
00:02:20,367 --> 00:02:25,467
THIS TIME ZONE IS OFTEN REFERRED
AS UNIVERSAL TIME OR WORLD TIME,

58
00:02:25,467 --> 00:02:28,266
BUT IT COULD ALSO BE CALLED,
FOR US, SPACE TIME,

59
00:02:28,266 --> 00:02:29,967
BECAUSE THAT IS WHAT WE USE HERE

60
00:02:29,967 --> 00:02:31,700
ON THE INTERNATIONAL
SPACE STATION

61
00:02:31,700 --> 00:02:33,066
- NOW, DON'T GET TOO EXCITED.

62
00:02:33,066 --> 00:02:34,900
THAT'S NOT
THE "SPACE-TIME CONTINUUM"

63
00:02:34,900 --> 00:02:37,166
YOU HEAR ABOUT IN THOSE MOVIES
WITH TIME TRAVEL.

64
00:02:37,166 --> 00:02:39,800
SPACE TIME IS JUST ANOTHER NAME
FOR UNIVERSAL,

65
00:02:39,800 --> 00:02:41,467
OR GREENWICH MEAN, TIME,

66
00:02:41,467 --> 00:02:42,633
AND GREENWICH MEAN TIME

67
00:02:42,633 --> 00:02:44,233
IS HOW ASTRONAUTS
SET THEIR CLOCKS

68
00:02:44,233 --> 00:02:46,166
SO THAT EVERYONE IS WORKING
ON THE SAME SCHEDULE.

69
00:02:46,166 --> 00:02:47,300
OUR BODIES ARE TUNED IN

70
00:02:47,300 --> 00:02:49,233
TO THE AMOUNT OF DAYLIGHT
WE EXPERIENCE.

71
00:02:49,233 --> 00:02:51,500
SCIENTISTS CALL THAT
OUR CIRCADIAN RHYTHM.

72
00:02:51,500 --> 00:02:54,867
EVEN THOUGH THE DAY-NIGHT CYCLE
IS SO FAST ON BOARD THE ISS,

73
00:02:54,867 --> 00:02:56,900
THE ASTRONAUTS STILL USE
THE 24-HOUR DAY

74
00:02:56,900 --> 00:02:57,934
THEY ARE USED TO.

75
00:02:57,934 --> 00:02:59,400
BUT TO MAKE SURE
THAT THEY ARE GETTING

76
00:02:59,400 --> 00:03:00,567
THE RIGHT AMOUNT OF SLEEP,

77
00:03:00,567 --> 00:03:02,200
THEIR SCHEDULES
ARE CAREFULLY PLANNED.

78
00:03:02,200 --> 00:03:03,900
AND IF THEY WANT TO PHONE HOME,

79
00:03:03,900 --> 00:03:06,233
THEY JUST HAVE TO THINK
ABOUT WHAT TIME IT IS ON EARTH.

80
00:03:06,233 --> 00:03:09,233
BESIDES EATING, SLEEPING,
AND EXERCISING IN SPACE,

81
00:03:09,233 --> 00:03:11,166
ASTRONAUTS USE
A BIG PART OF THEIR DAY

82
00:03:11,166 --> 00:03:13,166
TO HELP SCIENTISTS ON EARTH
CONDUCT EXPERIMENTS

83
00:03:13,166 --> 00:03:15,867
ON THE ONLY NATIONAL LABORATORY
IN MICROGRAVITY,

84
00:03:15,867 --> 00:03:17,667
THE INTERNATIONAL SPACE STATION.

85
00:03:17,667 --> 00:03:18,700
AND FOR YEARS,

86
00:03:18,700 --> 00:03:20,166
NASA HAS HELPED CONNECT STUDENTS

87
00:03:20,166 --> 00:03:22,400
WITH ASTRONAUTS IN ORBIT
THROUGH INTERACTIVE EVENTS,

88
00:03:22,400 --> 00:03:25,166
STUDENT CHALLENGES,
AND VIDEO DOWNLINKS.

89
00:03:25,166 --> 00:03:27,767
ANOTHER EXCITING WAY TO GET
ON AN ASTRONAUT'S SCHEDULE

90
00:03:27,767 --> 00:03:29,734
IS THROUGH A PROGRAM
CALLED ARISS,

91
00:03:29,734 --> 00:03:32,367
AMATEUR RADIO ON
THE INTERNATIONAL SPACE STATION.

92
00:03:32,367 --> 00:03:35,200
ASTRONAUTS AND COSMONAUTS ABOARD
THE INTERNATIONAL SPACE STATION

93
00:03:35,200 --> 00:03:38,000
HAVE AN AMATEUR RADIO,
OR HAM RADIO, STATION AT HAND

94
00:03:38,000 --> 00:03:41,033
FOR RECREATION
AND EDUCATIONAL ACTIVITIES.

95
00:03:41,033 --> 00:03:43,867
IT PROVIDES CONTACTS WITH FAMILY
AND WITH THE GENERAL PUBLIC

96
00:03:43,867 --> 00:03:46,533
FOR THE ASTRONAUTS WORKING
IN SPACE FOR MONTHS AT A TIME.

97
00:03:46,533 --> 00:03:49,033
COMMANDER WILLIAM SHEPHERD
WORKED HARD TO MAKE SURE

98
00:03:49,033 --> 00:03:51,900
THAT AN AMATEUR RADIO STATION
WAS ON BOARD THE ISS.

99
00:03:51,900 --> 00:03:54,500
USING THE CALL SIGN
ASSIGNED TO THE SPACE STATION,

100
00:03:54,500 --> 00:03:57,200
SHEPHERD COMPLETED
THE FIRST-EVER ARISS CONTACT

101
00:03:57,200 --> 00:03:59,867
ON DECEMBER 21, 2000.

102
00:03:59,867 --> 00:04:03,166
IN 2003, THE 100TH
SCHOOL CONTACT FROM SPACE

103
00:04:03,166 --> 00:04:05,433
WAS MADE
USING THE ISS HAM RADIO.

104
00:04:05,433 --> 00:04:07,066
AS THESE CONNECTIONS CONTINUE,

105
00:04:07,066 --> 00:04:09,233
STUDENTS FROM SCHOOLS
IN WEBSTER, NEW YORK;

106
00:04:09,233 --> 00:04:11,500
BOULDER, COLORADO;
HONOLULU, HAWAII;

107
00:04:11,500 --> 00:04:14,033
AND TALLAHASSEE, FLORIDA--
TO NAME JUST A FEW--

108
00:04:14,033 --> 00:04:16,066
HAVE HAD THE OPPORTUNITY
TO ASK QUESTIONS

109
00:04:16,066 --> 00:04:17,767
ABOUT LIVING
AND WORKING IN SPACE.

110
00:04:17,767 --> 00:04:19,100
AMATEUR RADIO CLUBS

111
00:04:19,100 --> 00:04:21,600
AND INDIVIDUAL HAM RADIO
OPERATORS ON THE GROUND

112
00:04:21,600 --> 00:04:23,500
HELP THE HIGH-FLYING
HAM ASTRONAUTS

113
00:04:23,500 --> 00:04:25,633
COMPLETE THEIR CONTACTS
WITH SCHOOLS.

114
00:04:25,633 --> 00:04:27,200
THERE'S NO TIME
LIKE THE PRESENT,

115
00:04:27,200 --> 00:04:28,834
SO VISIT THE NASA WEBSITE

116
00:04:28,834 --> 00:04:31,066
TO FIND OUT HOW YOU CAN DOWNLOAD
AN ARISS APPLICATION

117
00:04:31,066 --> 00:04:32,266
FOR YOUR SCHOOL.

118
00:04:32,266 --> 00:04:33,433
WHO KNOWS?

119
00:04:33,433 --> 00:04:34,900
MAYBE YOU'LL BE ONE
OF THE NEXT GROUPS

120
00:04:34,900 --> 00:04:37,066
TO SCHEDULE A CHAT WITH
THE ASTRONAUTS ON BOARD THE ISS.

121
00:04:37,066 --> 00:04:39,066
WHAT QUESTIONS
DO YOU WANT TO ASK?

122
00:04:39,066 --> 00:04:40,967
SEE YOU NEXT TIME
ON "REAL WORLD."